Adjustable angle stretching block



FIG. 1 is an isometric view of an adjustable angle stretching block, illustrating the ornamental design;

FIG. 2 is an elevational view of left side thereof, an elevational view of the right side thereof being a mirror image of the left side;

FIG. 3 is top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is an isometric view thereof; and,

FIG. 8 is a cross-sectional elevational view from the left side thereof, the cross-sectional elevational view from the right side thereof being a mirror image of that from the left side. 

The ornamental design for an adjustable angle stretching block, as shown. 